54545321111 has 4 divisors (see below), whose sum is σ = 54649614792. Its totient is φ = 54441027432.

The previous prime is 54545321101. The next prime is 54545321113. The reversal of 54545321111 is 11112354545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11112354545 = 5 ⋅2222470909.

It is a cyclic number.

It is not a de Polignac number, because 54545321111 - 2¹⁰ = 54545320087 is a prime.

It is a super-3 number, since 3×54545321111³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54545321113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52146056 + ... + 52147101.

It is an arithmetic number, because the mean of its divisors is an integer number (13662403698).

Almost surely, 2^54545321111 is an apocalyptic number.

54545321111 is a deficient number, since it is larger than the sum of its proper divisors (104293681).

54545321111 is a wasteful number, since it uses less digits than its factorization.

54545321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104293680.

The product of its digits is 12000, while the sum is 32.

Adding to 54545321111 its reverse (11112354545), we get a palindrome (65657675656).

The spelling of 54545321111 in words is "fifty-four billion, five hundred forty-five million, three hundred twenty-one thousand, one hundred eleven".